Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] users on a private branch exchange (PBX) or similar private system can be called directly from the fixed public telephone network, without the intervention of the PBX attendant. [..]
Avots: Directive 98/10/EC of the European Parliament and of the Council of 26 February 1998 on the application of open network provision (ONP) to voice telephony and on universal service for telecommunications in a competitive environment